<script setup>
import{ref,reactive,getCurrentInstance,onMounted,nextTick}from 'vue'
import {ElMessage,ElMessageBox} from "element-plus"

const handleClick = () => {
  console.log('click')
}

// const tableData = [
//   {
//     date: '2016-05-03',
//     name: 'Tom',
//     state: 'California',
//     city: 'Los Angeles',
//     address: 'No. 189, Grove St, Los Angeles',
//     zip: 'CA 90036',
//     tag: 'Home',
//   },
//   {
//     date: '2016-05-02',
//     name: 'Tom',
//     state: 'California',
//     city: 'Los Angeles',
//     address: 'No. 189, Grove St, Los Angeles',
//     zip: 'CA 90036',
//     tag: 'Office',
//   },
//   {
//     date: '2016-05-04',
//     name: 'Tom',
//     state: 'California',
//     city: 'Los Angeles',
//     address: 'No. 189, Grove St, Los Angeles',
//     zip: 'CA 90036',
//     tag: 'Home',
//   },
//   {
//     date: '2016-05-01',
//     name: 'Tom',
//     state: 'California',
//     city: 'Los Angeles',
//     address: 'No. 189, Grove St, Los Angeles',
//     zip: 'CA 90036',
//     tag: 'Office',
//   },
// ]

const tableData = ref([])
const {proxy}=getCurrentInstance()
const getUserData=async()=>{
    let data=await proxy.$api.getUserData(config)
    console.log(data)
    tableData.value=data.list.map(item=>({
        ...item,
        sexLabel:item.sex===1 ? '男': '女' 
    }))
    config.total=data.count
}
const tableLabel=reactive([
  {
    prop: "name",
    label: "姓名",
  },
  {
    prop: "age",
    label: "年龄",
  },
  {
    prop: "sexLabel",
    label: "性别",
  },
  {
    prop: "birth",
    label: "出生日期",
    width: 200,
  },
  {
    prop: "addr",
    label: "地址",
    width: 400,
  },
])

const formInline=reactive({
    keyWord:''
})
const config=reactive({
    name:'',
    total:0,
    page:1
})
const handleSearch=()=>{
    config.name=formInline.keyWord
    getUserData()
}

const handleChange=(page)=>{
    config.page=page
    getUserData()
}
const handleDelete =  (val) => {
    console.log(val)
    //如果选择确定，就会执行then中的方法
  ElMessageBox.confirm("你确定删除吗?").then(async ()=>{
      
    await proxy.$api.deleteUser({ id: val.id })
    
      //删除成功后弹出一个提示框
    ElMessage({
      showClose: true,
      message: "删除成功",
      type: "success",
    })
      //删除之后重新请求用户数据
    getUserData();

  })

}
const action=ref('add')
const dialogVisible=ref(false)
const formUser=reactive({
    sex:'1'
})
const rules = reactive({
  name: [{ required: true, message: "姓名是必填项", trigger: "blur" }],
  age: [
    { required: true, message: "年龄是必填项", trigger: "blur" },
    { type: "number", message: "年龄必须是数字" },
  ],
  sex: [{ required: true, message: "性别是必选项", trigger: "change" }],
  birth: [{ required: true, message: "出生日期是必选项" }],
  addr:[{ required: true, message: '地址是必填项' }]
})
const handleClose=()=>{
    dialogVisible.value=false;
    proxy.$refs['userForm'].resetFields()
}
const handleCancel=()=>{
    dialogVisible.value=false;
    proxy.$refs['userForm'].resetFields()
}
const handleAdd=()=>{
    dialogVisible.value=true
    action.value='add'
}
const timeFormat = (time) => {
    var time = new Date(time);
    var year = time.getFullYear();
    var month = time.getMonth() + 1;
    var date = time.getDate();
    function add(m) {
        return m < 10 ? "0" + m : m;
    }
    return year + "-" + add(month) + "-" + add(date);
}
const onSubmit = () => {
    
    formUser.sex = Number(formUser.sex); 

    //执行userForm表单的validate进行规则校验，传入一个回调函数，回调函数会接受到一个是否校验通过的变量
    proxy.$refs["userForm"].validate(async (valid)=>{

        
        //如果校验成功
        if (valid) {
                //res用于接收添加用户或者编辑用户接口的返回值
                let res=null
                //这里无论是新增或者是编辑，我们都要对这个日期进行一个格式化
                //如果不是1997-01-02这种格式，使用timeFormat方法进行格式化
                formUser.birth=/^\d{4}-\d{2}-\d{2}$/.test(formUser.birth) ? formUser.birth : timeFormat(formUser.birth)
                //如果当前的操作是新增，则调用新增接口
                if (action.value == "add") {
                    res = await proxy.$api.addUser(formUser);
                }else if(action.value == "edit"){
                res = await proxy.$api.editUser(formUser)
                }
                //如果接口调用成功
                if(res){
                        //关闭对话框，重置表单，重新请求用户数据
                        dialogVisible.value = false;
                        proxy.$refs["userForm"].resetFields()
                        getUserData()
                }

		//如果校验失败
        }else {
          ElMessage({
            showClose: true,
            message: "请输入正确的内容",
            type: "error",
          })
        }

    })
}

const handleEdit =  (val) => {
    action.value="edit"
    dialogVisible.value=true
    
    nextTick(()=>{
        //因为在第一次显示弹窗的时候form组件没有加载出来，如果直接对formUser赋值，这个值会作为form表单的初始值
        //所以使用nextTick，赋值的操作在一个微任务中，这样就可以避免在from表单加载之前赋值
       
        Object.assign(formUser,{...val,sex:""+val.sex})
        //这里需要改变sex数据类型，是因为el-option的value有类型的校验
    })
}

onMounted(()=>{
    getUserData()

})
</script>

<template>
  <div class="user-header">
    <el-button type="primary" @click="handleAdd">新增</el-button>
    <el-form :inline="true"  :model="formInline">
    <el-form-item label="请输入">
        <el-input placeholder="请输入用户名" v-model="formInline.keyWord"></el-input>
    </el-form-item>
    <el-form-item>
        <el-button type="primary" @click="handleSearch">搜索</el-button>
    </el-form-item>
    </el-form>
  </div>
  <div class="table">
    <el-table  :data="tableData">
        <el-table-column
        v-for="item in tableLabel"
        :key="item.prop"
        :label="item.label"
        :prop="item.prop"
        :width="item.width ? item.width : 125"
      />
        

        <el-table-column fixed="right" label="Operations" min-width="120">
        <template #default="scope">
            <el-button type="primary" size="small" @click="handleEdit(scope.row)">
            编辑
            </el-button>
            <el-button type="danger" size="small" @click="handleDelete(scope.row)">删除</el-button>
        </template>
        </el-table-column>
    </el-table>
        <el-pagination
        size="small"
        background
        layout="prev, pager, next"
        :total="config.total"
        @current-change="handleChange" 
        class="pager"
        />
      
  </div>
  <el-dialog
    v-model="dialogVisible"
    :title="action == 'add' ? '新增用户' : '编辑用户'"
    width="35%"
    :before-close="handleClose"
  >
       <!--需要注意的是设置了:inline="true"，
		会对el-select的样式造成影响，我们通过给他设置一个class=select-clearn
		在css进行处理-->
    <el-form :inline="true"  :model="formUser" :rules="rules" ref="userForm">
      <el-row>
        <el-col :span="12">
          <el-form-item label="姓名" prop="name">
            <el-input v-model="formUser.name" placeholder="请输入姓名" />
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄" prop="age">
            <el-input v-model.number="formUser.age" placeholder="请输入年龄" />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-col :span="12">
          <el-form-item class="select-clearn" label="性别" prop="sex">
            <el-select  v-model="formUser.sex" placeholder="请选择">
              <el-option label="男" value="1" />
              <el-option label="女" value="0" />
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="出生日期" prop="birth">
            <el-date-picker
              v-model="formUser.birth"
              type="date"
              placeholder="请输入"
              style="width: 100%"
            />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-form-item
          label="地址"
          prop="addr"
        >
          <el-input v-model="formUser.addr" placeholder="请输入地址" />
        </el-form-item>
      </el-row>
      <el-row style="justify-content: flex-end">
        <el-form-item>
          <el-button type="primary" @click="handleCancel">取消</el-button>
          <el-button type="primary" @click="onSubmit">确定</el-button>
        </el-form-item>
      </el-row>
    </el-form>
  </el-dialog>
</template>
<style scoped lang="less">
.user-header{
   display:flex;
   justify-content:space-between;
}
.table{
   position:relative;
   height:520px;
   .pager{
      position:absolute;
      right:10px;
      bottom:30px;
   }
   .el-table{
      width:100%;
      height:500px;
   }
}
.select-clearn{
   display:flex;
}
</style>